California / Toxic Substances Control

Agency file

Toxic Substances Control

Source file: California — State Employee Compensation (SCO Payroll Data Warehouse, CPRA) / ingested Jul 4, 2026

The Toxic Substances Control is a government agency that delivers public services and programs within its jurisdiction.

In 2025, this agency had 1,309 employees with median total compensation of $102,059; the highest distinct record was $298,588.

Year: 2025
Total payroll: $138.7M
Employees: 1,309
Median total: $102,059
Highest record: $298,588

What the records show

Compensation analytics

These summaries compare pay within the agency before listing individual records.

Salary distribution

-$5,776$188,507+

Hover a bar for its range; click to filter the list below.

How 2025 total compensation is spread across the 1,309 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($102,059) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

Base — $103,477 (98%)
Overtime — $334 (0%)
Other — $2,155 (2%)
Benefits — $0 (0%)

What an average paycheck here is made of — base salary versus overtime, other pay (bonuses, allowances), and benefits. A large overtime or other-pay share means take-home often exceeds base salary.

Pay percentiles

10th

25th

Median

75th

90th

$56,104

$77,309

$102,059

$135,141

$165,574

The pay ladder for this department. Someone at the 90th percentile earns $165,574 — more than 90% of the department; the 10th percentile earns $56,104. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Associate Governmental Program Analyst

149 · $76,436

Environmental Scientist

122 · $81,358

Hazardous Substances Engineer

112 · $113,353

Senior Environmental Scientist(Specialist)

98 · $106,889

Senior Hazardous Substances Engineer

59 · $145,219

The most common job titles in this department by headcount, with the median total compensation for each. Click a title to see everyone who holds it.

Trend

Year over year

How this department's total payroll, headcount, and median pay changed across the 3 published years.

Year	Total payroll	Employees	Median pay
2023	$120.6M —	1,261 —	$93,236 —
2024	$133.5M ▲ 10.8%	1,360 ▲ 7.9%	$92,612 ▼ 0.7%
2025	$138.7M ▲ 3.9%	1,309 ▼ 3.8%	$102,059 ▲ 10.2%

Compare

Similar departments

Departments elsewhere with the most similar mix of roles — a proxy for the same kind of agency, matched by workforce composition rather than name. Pay is not cost-of-living adjusted.

Department Resources Recycle/Recvry California70% match
Department of Environmental Quality Utah39% match

Record list

Employees

Page 4

Jessica Anderson

Associate Governmental Program Analyst/Toxic Substances Control

2025 total comp

$91,442

Base pay: $90,892
Overtime: $0
Other pay: $550
Benefits: $0
Total compensation: $91,442
Employment type: Full-Time
Union / bargaining unit: R01
Work county: Orange
Middle name: M

Source-specific fields

Base Pay: $7,547
Cs/csu: Cs
Position Number: 8107145393002
Salary Total: $7,571
Total Pay: $91,442

Jessica Anderson is a Associate Governmental Program Analyst at Toxic Substances Control. They work full-time. 2025 total compensation came to $91,442. Their bargaining unit is R01.

Charlie Cl Liu

Associate Governmental Program Analyst/Toxic Substances Control

2025 total comp

$91,442

Base pay: $90,892
Overtime: $0
Other pay: $550
Benefits: $0
Total compensation: $91,442
Employment type: Full-Time
Union / bargaining unit: R01
Work county: Orange

Source-specific fields

Base Pay: $7,547
Cs/csu: Cs
Position Number: 8107145393001
Salary Total: $7,571
Total Pay: $91,442

Charlie Cl Liu holds the role of Associate Governmental Program Analyst at Toxic Substances Control. Their status is full-time. In 2025, their total compensation was $91,442. Their bargaining unit is R01.

Sean Flores

Senior Hazardous Substances Engineer/Toxic Substances Control

2024 total comp

$91,439

Base pay: $87,383
Overtime: $0
Other pay: $4,056
Benefits: $0
Total compensation: $91,439
Employment type: Full-Time
Union / bargaining unit: R09
Work county: Sacramento
Middle name: R

Source-specific fields

Base Pay: $12,588
Cs/csu: Cs
Position Number: 8105913725004
Salary Total: $12,588
Total Pay: $91,439

At Toxic Substances Control, Sean Flores serves as a Senior Hazardous Substances Engineer. They work full-time. Their 2024 pay totaled $91,439. Their bargaining unit is R09.

Trenton Smith

Senior Environmental Scientist(Specialist)/Toxic Substances Control

2025 total comp

$91,439

Base pay: $90,939
Overtime: $0
Other pay: $500
Benefits: $0
Total compensation: $91,439
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Sacramento
Middle name: H

Source-specific fields

Base Pay: $8,673
Cs/csu: Cs
Position Number: 8109700765004
Salary Total: $7,969
Total Pay: $91,439

Trenton Smith works as a Senior Environmental Scientist(Specialist) for Toxic Substances Control. Their status is full-time. Trenton earned $91,439 in 2025. Union affiliation: R10.

Mario Guerrero

Staff Services Manager I/Toxic Substances Control

2024 total comp

$91,425

Base pay: $87,705
Overtime: $0
Other pay: $3,720
Benefits: $0
Total compensation: $91,425
Employment type: Full-Time
Union / bargaining unit: S01
Work county: Sacramento
Middle name: A

Source-specific fields

Base Pay: $7,677
Cs/csu: Cs
Position Number: 8102814800001
Salary Total: $7,677
Total Pay: $91,425

Mario Guerrero works as a Staff Services Manager I for Toxic Substances Control. Their status is full-time. Mario earned $91,425 in 2024. They are represented by S01.

Gwen Chen

Senior Librarian/Toxic Substances Control

2025 total comp

$91,382

Base pay: $91,107
Overtime: $0
Other pay: $275
Benefits: $0
Total compensation: $91,382
Employment type: Full-Time
Union / bargaining unit: R21
Work county: Alameda
Middle name: A

Source-specific fields

Base Pay: $7,823
Cs/csu: Cs
Position Number: 8103402943011
Salary Total: $7,588
Total Pay: $91,382

Gwen Chen works as a Senior Librarian for Toxic Substances Control. Their status is full-time. Gwen earned $91,382 in 2025. Their bargaining unit is R21.

Yeeleng Moua

Information Technology Associate/Toxic Substances Control

2025 total comp

$91,380

Base pay: $90,830
Overtime: $0
Other pay: $550
Benefits: $0
Total compensation: $91,380
Employment type: Full-Time
Union / bargaining unit: R01
Work county: Sacramento

Source-specific fields

Base Pay: $7,925
Cs/csu: Cs
Position Number: 8102801401003
Salary Total: $7,687
Total Pay: $91,380

At Toxic Substances Control, Yeeleng Moua serves as a Information Technology Associate. They work full-time. Their 2025 pay totaled $91,380. Union affiliation: R01.